The state or quality of being sound.
The result or product of being sound.
The property (of an argument) of not only being valid, but also of having true premises.
The property of a logical theory that whenever a wff is a theorem then it must also be valid. Symbolically, letting T represent a theory within logic L, this can be represented as the property that whenever T⊢𝜙 is true, then T vDash 𝜙 must also be true, for any wff φ of logic L.
Intelligence; common sense.
Humour, especially when clever or quick.
Sanity.
A person who tells funny anecdotes or jokes; someone witty.
The ability to think quickly; mental cleverness, especially under short time constraints.
Intellectual ability; faculty of thinking, reasoning.